/*
 * Copyright 2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

/*
 * XSEC
 *
 * NSSCryptoKeyHMAC := HMAC Keys
 *
 * Author(s): Milan Tomic
 *
 */

#include <xsec/enc/NSS/NSSCryptoKeyHMAC.hpp>
#include <xsec/framework/XSECError.hpp>
#include <xsec/enc/XSECCryptoException.hpp>

#if defined (HAVE_NSS)

// --------------------------------------------------------------------------------
//           Constructor
// --------------------------------------------------------------------------------

NSSCryptoKeyHMAC::NSSCryptoKeyHMAC() :m_keyBuf("") {

	m_keyBuf.isSensitive();
	m_keyLen = 0;

};

// --------------------------------------------------------------------------------
//           Set key
// --------------------------------------------------------------------------------

void NSSCryptoKeyHMAC::setKey(unsigned char * inBuf, unsigned int inLength) {

	m_keyBuf.sbMemcpyIn(inBuf, inLength);
	m_keyLen = inLength;

}

// --------------------------------------------------------------------------------
//           Get key
// --------------------------------------------------------------------------------

unsigned int NSSCryptoKeyHMAC::getKey(safeBuffer &outBuf) const {

	outBuf = m_keyBuf;
	return m_keyLen;

}

// --------------------------------------------------------------------------------
//           Replicate key
// --------------------------------------------------------------------------------

XSECCryptoKey * NSSCryptoKeyHMAC::clone() const {

	NSSCryptoKeyHMAC * ret;

	XSECnew(ret, NSSCryptoKeyHMAC());

	ret->m_keyBuf = m_keyBuf;
	ret->m_keyLen = m_keyLen;

	return ret;

}

#endif /* HAVE_NSS */